EVERYDAY SCIENCE

SCIENCE

RESPIRATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following acts as an electron carrier in cellular respiration?
A
ATP
B
NADH
C
CO2
D
Glucose
Explanation: 

Detailed explanation-1: -NADH: High energy electron carrier used to transport electrons generated in Glycolysis and Krebs Cycle to the Electron Transport Chain.

Detailed explanation-2: -NAD+ is used by the cell to “pull” electrons off of compounds and to “carry” them to other locations within the cell; thus it is called an electron carrier.

Detailed explanation-3: -There are two types of electron carriers that are particularly important in cellular respiration: NAD +start superscript, plus, end superscript (nicotinamide adenine dinucleotide, shown below) and FAD (flavin adenine dinucleotide). Chemical structures of NAD+ and NADH.

Detailed explanation-4: -Its ability to switch between these two forms is what allows NAD to carry out its main function-carrying electrons from one reaction to another in the process of metabolism and energy production. As an electron carrier, NAD+ and NADH help to convert the nutrients in your food into a form of energy your cells can use.

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